Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Diamondback
2002 Diamondback Octane 20
Previous used estimate
$49 - $50
Actual value depends on condition, size, and local demand.
Value Guide market data · 2002 Diamondback Octane 20
12-month projected trend
— %
Direction and magnitude, not judgment
vs. category average
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Price over time - 2002 Diamondback Octane 20
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Overview
About this bike
2002 Diamondback Octane 20 value depends on condition, original build, service history, and current buyer demand.
Specifications
- Category
- Kids
- Component Hubs
- Steel, nutted
- Component Rims
- Weinmann CN-520, 36-hole
- Product Family
- Octane
- Component Chain
- KMC Z-51, 1/2 x 3/32inch
- Component Tires
- 20 x 1.95inch Kenda K-850
- Component Pedals
- Wellgo resin
- Component Saddle
- Avenir Jr MTB
- Component Headset
- 1inch steel
- Component Brakeset
- Aluminum linear-pull brakes, aluminum linear-pull levers
- Component Cassette
- 6-speed, 13 - 28 teeth
- Component Crankset
- 1-piece 5 1/2inch, 33 teeth
- Component Seatpost
- Aluminum, 25.6mm diameter
- Component Handlebar
- Steel, 30mm rise
- Component Extensions
- Not included
- Component Rear Shock
- Not applicable
- Component Spoke Brand
- Chung Nan UCP, 14ga. (2.0mm) straight gauge
- Component Shift Levers
- Shimano Revo
- Component Fork Material
- Hi-tensile steel, oversize, single triple-clamp crown
- Component Spoke Nipples
- Brass nipples
- Component Bb Shell Width
- American
- Component Bottom Bracket
- Sealed cartridge, one-piece spindle
- Component Handlebar Stem
- Steel
- Component Component Group
- Juvenile Mix
- Component Fork Brand Model
- RST 181 CL, 2.4inch travel
- Component Frame Construction
- TIG-welded
- Component Frame Tubing Material
- Hi-tensile steel, oversize
- Frame Construction
- TIG-welded
- Frame Tubing Material
- Hi-tensile steel, oversize
- Fork Brand & Model
- RST 181 CL, 2.4inch travel
- Fork Material
- Hi-tensile steel, oversize, single triple-clamp crown
- Rear Shock
- Not applicable
- Hubs
- Steel, nutted
- Rims
- Weinmann CN-520, 36-hole
- Tires
- 20 x 1.95inch Kenda K-850
- Spoke Brand
- Chung Nan UCP, 14ga. (2.0mm) straight gauge
- Spoke Nipples
- Brass nipples
- Component Group
- Juvenile Mix
- Brakeset
- Aluminum linear-pull brakes, aluminum linear-pull levers
- Shift Levers
- Shimano Revo
- Crankset
- 1-piece 5 1/2inch, 33 teeth
- Pedals
- Wellgo resin
- Bottom Bracket
- Sealed cartridge, one-piece spindle
- BB Shell Width
- American
- Chain
- KMC Z-51, 1/2 x 3/32inch
- Seatpost
- Aluminum, 25.6mm diameter
- Saddle
- Avenir Jr MTB
- Handlebar
- Steel, 30mm rise
- Extensions
- Not included
- Handlebar Stem
- Steel
- Headset
- 1inch steel
- Cassette
- 6-speed, 13 - 28 teeth
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.